/* initial set */
* {
	margin: 0;
	padding: 0;
}
.picker-wrapper {
	position: relative;
	width: 173px;
	font-family: Roboto;
}
.picker-input {
	padding-left: 8px;
	margin: 8px 0;
	height: 32px;
	line-height: 32px;
	cursor: pointer;
	color: #ababab;
	border: 1px solid #ccc;
	border-radius: 3px;
	box-sizing: border-box;
	transition: all 300ms linear;
}
.picker-input.is-active {
	border-color: #5bc0de;
}
.picker-panel {
	position: absolute;
	top: 32px;
	left: 0;
	width: 210px;
	background-color: #fff;
	border: 1px solid #e5e5e5;
	-webkit-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
}
.picker-panel.hidden {
	display: none;
}
.picker-header {
	position: relative;
	height: 32px;
	line-height: 32px;
	text-align: center;
	border-bottom: 1px solid #ccc;
}
.pre-month,
.year-range,
.next-month {
	padding: 3px 5px;
	color: #888;
	cursor: pointer;
	transition: all 240ms linear;
}
.pre-month:hover,
.year-range:hover,
.next-month:hover {
	color: #555;
}
.pre-month,
.next-month {
	font-size: 18px;
}
.picker-title {
	border-bottom: 1px solid #e5e5e5;
}
.picker-cell {
	color: #555;
	display: inline-block;
	vertical-align: top;
	text-align: center;
	cursor: pointer;
	transition: all 150ms linear;
}
.picker-cell.is-active {
	color: #fff;
	background-color: #398bfb;
}
.date-cell {
	width: 30px;
	line-height: 30px;
}
.picker-cell-title {
	color: #333;
	cursor: default;
}
.picker-cell-light {
	color: #ababab;
	cursor: not-allowed;
}
.picker-back {
	position: absolute;
	display: inline-block;
	height: 22px;
	line-height: 22px;
	font-size: 18px;
	top: calc(50% - 11px);
	right: 8px;
	color: #ccc;
	cursor: pointer;
	text-decoration: underline;
	transition: all 240ms linear;
}
.picker-back:hover {
	color: #bdbdbd;
}
.picker-aside {
	width: 80px;
	height: 211px;
	overflow-y: scroll;
	float: left;
	border-right: 1px solid #ccc; 
}
.year-list-item {
	padding: 5px;
	font-size: 12px;
	text-align: center;
	cursor: pointer;
	transition: all 150ms linear;
}
.year-list-item.is-active {
	color: #fff;
	background-color: #398bfb;
}
.picker-content {
	box-sizing: border-box;
	padding: 25px 15px;
	height: 211px;
	overflow: hidden;
}
.month-cell {
	width: 33px;
	line-height: 40px;
}
/* hack webkit scroll bar */
::-webkit-scrollbar {
  width: 3px;
  height: 10px;
}

::-webkit-scrollbar-track {
  border-radius: 5px;
  background-color: #F5F5F5;
}

::-webkit-scrollbar-thumb {
  border-radius: 5px;
  background-color: rgba(130, 130, 130, 0.3);
}